{"product_id":"hc4804-hc5804","title":"HC4804-HC5804","description":"\u003ch2\u003eWhy Choose the HC4804-HC5804\u003c\/h2\u003e\n\u003cp\u003eA semiconductor packaging facility in Suzhou was experiencing intermittent die-attach failures on their wire bonding line. Contamination analysis traced the defects to sub-micron oil particles in the pneumatic pick-and-place system air supply — particles small enough to pass through their existing 0.3-micron filters. The source was backstreaming from an oiled rotary vane pump three rooms away, carried through the facility air distribution manifold. Replacing the central supply with HC4804-HC5804 four-cylinder oilless units at each work cell eliminated the contamination path entirely. Defect rate dropped from 340 PPM to below 12 PPM within one week.\u003c\/p\u003e\n\n\u003ch2\u003eWhy This Model — Not Another\u003c\/h2\u003e\n\u003cp\u003eThe four-cylinder configuration delivers maximum flow capacity in the HC series lineup, making it the choice for applications requiring high sustained airflow to multiple simultaneous consumers. In semiconductor fabs, each pick-and-place head, each pneumatic actuator, and each vacuum chuck draws from the same supply. The HC4804-HC5804 four pistons provide enough instantaneous capacity to handle simultaneous demand spikes from 6-8 pneumatic devices without pressure sag. More critically, the completely oil-free air path eliminates the single largest contamination risk in precision manufacturing — hydrocarbon backstreaming that no filter can fully prevent.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhy use point-of-use compressors instead of a central system in semiconductor fabs?\u003c\/h3\u003e\n\u003cp\u003eCentral compressed air systems distribute contamination from any single failure point to every connected tool. A leaking oil seal on one compressor in a central plant contaminates the entire distribution network. Point-of-use HC4804-HC5804 units isolate each work cell — a failure affects only one station, not the entire production floor. This architecture also eliminates 200-500 meters of distribution piping where moisture and particulates accumulate.\u003c\/p\u003e\n\n\u003ch3\u003eWhat cleanliness class does the HC4804-HC5804 output achieve?\u003c\/h3\u003e\n\u003cp\u003eDirect output without additional filtration meets ISO 8573-1 Class 1.2.1 (particles\/moisture\/oil). With a single-stage 0.01-micron point-of-use filter, output reaches Class 1.1.0 — suitable for direct contact with exposed die surfaces during wire bonding and flip-chip processes.\u003c\/p\u003e\n\n\u003ch3\u003eHow does four-cylinder design handle simultaneous multi-tool demand?\u003c\/h3\u003e\n\u003cp\u003eEach cylinder delivers independently, and the 90-degree firing interval means at least one cylinder is always in its power stroke. When 6-8 pneumatic tools activate simultaneously (common during automated lot transitions), the four-cylinder design maintains rated pressure within 0.03 bar — versus 0.15-0.3 bar sag typical of single or dual-cylinder units under the same transient load.\u003c\/p\u003e\u003cp\u003eUnder normal operating conditions, the HC4804-HC5804 delivers 10,000 to 50,000 hours of service life depending on ambient conditions and duty cycle. The oil-free design eliminates carbon buildup that typically shortens the life of oiled compressors.\u003c\/p\u003e[table id=OF1 \/]\r\n\r\n[gap height=\"100px\"]\r\n\r\n[ux_html]\r\n\u003cdiv data-kingsway-player=\"d839eac016\" data-width=\"100%\" data-height=\"100%\"\u003e\u003c\/div\u003e\r\n\u003cdiv class=\"kingsway-video-title\"\u003eDental Air Compressor: Quiet \u0026amp; Powerful 50L Tank\u003c\/div\u003e\r\n\u003cscript\u003e\r\nvar p_tag = document.createElement('script');\r\np_tag.type = 'text\/javascript';\r\np_tag.defer = true;\r\np_tag.charset = 'utf-8';\r\np_tag.src = 'https:\/\/websdk.kingswayvideo.com\/vod-player\/latest\/vod-player.min.js';\r\ndocument.getElementsByTagName('head')[0].appendChild(p_tag);\r\n\u003c\/script\u003e\r\n[\/ux_html]","brand":"HCEM","offers":[{"title":"Default Title","offer_id":48154836304110,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/6084\/7086\/files\/1-30.jpg?v=1781601896","url":"https:\/\/hcempump.com\/products\/hc4804-hc5804","provider":"Hcem","version":"1.0","type":"link"}